*{
	margin: 0;
	padding: 0;
	text-decoration: none;
	list-style: none;
}
html,body{
	width: 100%;
}
.container{
	width: 100%;
	position: relative;
}
.content{
	margin-top: 60px;
	width: 100%;
	position: relative;
}
.content_pic1{
	background: url(../../img/sdk_slide.jpg) no-repeat center center;
	background-size: cover;
	width: 100%;
	height:700px;
	color: white;
	position: relative;
}
.content_pic1:hover .mask{
	background-color: rgba(0,0,0,0.3);	
}
.content_pic2{
	width: 100%;
	height: 600px;
	background: url(../../img/sdk_content.jpg) no-repeat center center;
	background-size: cover;
	color: white;
	position: relative;
	
}
.mask{
	width: 100%;
	height: 100%;
	transition: all .3s ease-in-out;
	display: table;
}
.sdk_con{
	width: 100%;
	height: 150px;
	text-align: center;
	display: table-cell;
	vertical-align: middle;
}
	
.content_pic1 h1{
	font-size: 60px;
	line-height: 60px;
	font-weight: 400;
	position: relative;
}
#smallR{
		font-size: 28px;
		display: inline-block;
		margin-top: 0;
		line-height: 150px;
		/*position: absolute;*/
		margin-top:100;
		
}
.content_pic1 h2{
	font-size: 32px;
	line-height: 35px;
	font-weight: 400;
	margin: 10px 0;
}

.content_pic2:hover .mask{
	background-color: rgba(0,0,0,0.3);	
}
.content_pic2 h1{
	font-size: 50px;
	line-height: 30px;
	font-weight: 400;
}
.sdk_inner{
	width: 100%;
	margin-top: 140px;
	text-align: center;
}
.sdk_inner h5{
	margin-top: 30px;
}
.sdk_intro{
	width: 600px;
	height: 50%;
	position: absolute;
	left: 0;
	right: 0;
	margin: auto;
}
.sdk_left{
	width: 50%;
	height: 80%;
	margin: 80px auto 0;
	/*background-color: gray;*/
	float: left;
}
.left_img{
	width: 56px;
	height: 64px;
	background: url(../../img/new_version_icon.png) no-repeat -72px -19px;
	margin: 0 auto;	
}
button{
	width: 280px;
	height: 60px;
	margin-top:60px;
	border-radius: 30px;
	background: #00adee;
	font-size: 22px;
	border: none;
	margin-bottom: 0;
}
button a{
	line-height: 60px;
	color: white;
	width: 100%;
	height: 100%;
	display: inline-block;
}
.sdk_right{
	width: 50%;
	height: 80%;
	margin: 80px auto 0;
	/*background-color: aqua;*/
	float: right;
}
.right_img{
	width: 64px;
	height: 58px;
	background: url(../../img/new_version_icon.png) no-repeat -3px -25px;;
	margin:0 auto;
}
/*响应式*/
@media only screen and (min-width: 480px) and (max-width: 767px){
	.content_pic1 h1{
	font-size:40px;
	line-height: 44px;
	}
	.content_pic1 h2{
	font-size:22px;
	line-height: 24px;
	}
}
@media only screen and (max-width:480px ) {
	.content_pic1 h1{
	font-size:30px;
	line-height: 32px;
	}
	.content_pic1 h2{
	font-size:18px;
	line-height: 20px;
	}
	.content_pic1{
		height: 500px;
	}
	.content_pic2 h1{
		font-size: 30px;
		line-height: 22px;
	}
	button{
		width: 150px;
		height: 40px;
		border-radius: 20px;
	}
	button a{
	line-height: 40px;
	color: white;
	display: inline-block;
	font-size: 14px;
	}
	.sdk_intro{
		width: 320px;
	}	
}
@media only screen and (max-width:979px) {
	.content_pic2 h1{
		line-height: 20px;
	}
}


